Home / 21,508,879.40-32,259,632.70-8,038,773.80

Finding the Fourth Proportional to 21,508,879.40, 32,259,632.70 and 8,038,773.80

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Solution

The fourth proportional to 21,508,879.40, 32,259,632.70 and 8,038,773.80 is: 12,056,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,879.40 : 32,259,632.70 = 8,038,773.80 : x
  2. Step 2: Convert to fraction form
    21,508,879.40/32,259,632.70 = 8,038,773.80/x
  3. Step 3: Cross multiply
    21,508,879.40x = 32,259,632.70 × 8,038,773.80
  4. Step 4: Simplify right side
    21,508,879.40x = 259,327,890,146,383.25
  5. Step 5: Solve for x
    x = 259,327,890,146,383.25/21,508,879.40
  6. Step 6: Final answer
    x = 12,056,782.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.